| Applications : | These steel armoured optical fibre cables are flame retardant, low smoke, halogen free and fire resistant, used for communication and emergency systems that need to be operational during fire. |
| Standards : | IEC 60794 IEC 60811-2-1 IEC 60331-25 IEC 60332-3-24 IEC 60332-3-22 IEC 60754-1,2 IEC 61034-1,2 NEK 606:2004 |
| Fibre Element : | Loose tube core design. |
| Central Strength Element : | Steel wire or fibre reinforced plastic (FRP). |
| Bedding : | Halogen free and flame retardant thermoplastic compound. |
| Armour : | Galvanized steel wire braid. |
| Outer Sheath1 : | Halogen free and flame retardant, UV-stabilized, thermoplastic compound, SHF1. |
| Outer Sheath2 : | Mud resistant and halogen-free thermoplastic compound. |
Electrical Characteristics :
|
Fibre Type |
9/125 |
50/125 |
50/125 |
62.5/125 |
|
|
ITU-T type |
G652.D |
G651 |
G651 |
- |
|
|
IEC11801 Classification |
OS1 & OS2 |
OM2 |
OM3 |
OM1 |
|
|
Core Diameter |
μm |
8.7±0.4 |
50±3.0 |
50±3.0 |
62.5±3.0 |
|
Cladding Diameter |
μm |
125 ±1.0 |
125 ±2.0 |
125 ±2.0 |
125 ±2.0 |
|
Coating Diameter |
μm |
245 ±10 |
245 ±10 |
245 ±10 |
245 ±10 |
|
Maximum Attenuation |
|||||
|
@850 nm |
dB/km |
- |
3.0 |
3.0 |
3.5 |
|
@1300 nm |
dB/km |
- |
1.5 |
1.0 |
1.5 |
|
@1310 nm |
dB/km |
0.36 |
- |
- |
- |
|
@1550 nm |
dB/km |
0.22 |
- |
- |
- |
|
Minimum Bandwidth(OFL*) |
|||||
|
@850 nm |
MHz.km |
- |
500 |
1500 |
200 |
|
@1300 nm |
MHz.km |
- |
500 |
500 |
600 |
|
Maximum Chromatic Dispersion |
|||||
|
1285-1330 nm |
ps/nm⋅km |
2.8 |
- |
- |
- |
|
1550 nm |
ps/nm⋅km |
18 |
- |
- |
- |
|
Zero Dispersion Wavelength |
nm |
1300~1324 |
- |
- |
- |
Mechanical and Thermal Properties :
Bending Radius : 20×OD (during installation); 10×OD (fixed installed).
Temperature Range : -40℃ ~ +70℃.
Dimensions and Weight :
|
No. of Fibres |
Construction No. of tubes×No. of fibres in each tube |
Number of Fillers |
Nominal Loose Tube Diameter mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
|
2 |
1×2 |
5 |
2.2 |
15.0 |
290 |
|
4 |
1×4 |
5 |
2.2 |
15.0 |
290 |
|
6 |
3×2 |
3 |
2.2 |
15.0 |
290 |
|
8 |
2×4 |
4 |
2.2 |
15.0 |
290 |
|
10 |
5×2 |
1 |
2.2 |
15.0 |
290 |
|
12 |
3×4 |
3 |
2.2 |
15.0 |
290 |
|
16 |
4×4 |
2 |
2.2 |
15.0 |
290 |
|
20 |
5×4 |
1 |
2.2 |
15.0 |
290 |
|
24 |
6×4 |
0 |
2.2 |
15.0 |
290 |
|
32 |
4×8 |
2 |
2.2 |
15.0 |
290 |
|
40 |
5×8 |
1 |
2.2 |
15.0 |
290 |
|
48 |
6×8 |
0 |
2.2 |
15.0 |
290 |
